551117 has 8 divisors (see below), whose sum is σ = 635712. Its totient is φ = 468000.

The previous prime is 551113. The next prime is 551129. The reversal of 551117 is 711155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551117 - 2² = 551113 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551117.

It is not an unprimeable number, because it can be changed into a prime (551113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (79464).

2⁵⁵¹¹¹⁷ is an apocalyptic number.

It is an amenable number.

551117 is a deficient number, since it is larger than the sum of its proper divisors (84595).

551117 is a wasteful number, since it uses less digits than its factorization.

551117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its digits is 175, while the sum is 20.

The square root of 551117 is about 742.3725479838. The cubic root of 551117 is about 81.9875551211.

The spelling of 551117 in words is "five hundred fifty-one thousand, one hundred seventeen".